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United States Patent | 5,007,272 |
Matsunaga ,   et al. | April 16, 1991 |
A machine which applies tension to a strip of steel which has been passed through a slitter. The machine includes two sets of rollers which engage the slit material to maintain tension. The rollers are slidable in the machine frame to allow for rapid changing of the rollers to accommodate various types of slit material.
Inventors: | Matsunaga; Douglas S. (Schiller Park, IL); Slabowski; Jan W. (Schiller Park, IL); Marecki; Tadeusz (Chicago, IL) |
Assignee: | Braner, Inc. (Schiller Park, IL) |
Appl. No.: | 433754 |
Filed: | November 9, 1989 |
Current U.S. Class: | 72/226; 72/238; 226/195; 242/419.5 |
Intern'l Class: | B21B 031/08 |
Field of Search: | 72/226,238 226/168,179,189,190,195 242/75,75.2,75.3 |
2775151 | Dec., 1956 | Schumacher | 72/226. |
3061226 | Oct., 1962 | Kegg | 242/75. |
3197992 | Aug., 1965 | Taniguchi | 72/251. |
3386679 | Jun., 1968 | Foulon et al. | 226/195. |
3854672 | Dec., 1974 | Tilban | 242/75. |
4119256 | Oct., 1978 | Vogtmann et al. | 226/194. |
Foreign Patent Documents | |||
2816993 | Oct., 1979 | DE | 72/226. |